例句與造句

1. Six of these cubes are filled with ( almost ) square planar rings of As, each of which is oriented parallel to one of the unit cell edges.
2. The cubic structure has a unit cell edge of 5.7828 ?at 6.9 GPa . The representative formula is Ar ( O 2 ) 3.
3. It's difficult to find unit cell edge in a sentence. 用unit cell edge造句挺難的